Document Type : Articles
Authors
1 a:1:{s:5:"en_US";s:17:"Tikrit University";}
2 Food Science Department, College of Agriculture, Tikrit University, Tikrit, Iraq
Abstract
The study aimed to find out the effect of molecular substitution of some vegetable sources, namely oatmeal and chia, instead of animal fat, on the manufacture and preservation of low-fat burger patties stored by freezing at a temperature of (-18 ± 2 C) during the storage period for a period of (60) days and follow-up of their characteristics during the storage period by (1, 30, 60) days during which the chemical characteristics were monitored, which included (pH, peroxide number, and percentage of free fatty acids), as well as follow-up on the qualitative characteristics, and compared the factory burger with the commercial one Available in the markets. The burger was made from 80% lean veal and 20% beef fat, which is the standard treatment. The fat was replaced with 50% oatmeal and 50% chia powder for the manufacture of the beef burger. It was also observed a significant decrease in the peroxide values and the percentage of free fatty acids for the replacement treatments compared to the control treatment and the commercial Berger treatment. The results indicated that the percentage of water retention ability, cooking yield, and the percentage of weight loss during cooking increased in the replacement treatments compared to the control treatment. The results also showed a clear and remarkable improvement for all the technological characteristics under study. Therefore, the study recommends the use of oatmeal and chia powder as a substitute for animal fats in the manufacture of burgers.
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